package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * ClassName: CategoryController
 * Package: com.itheima.reggie.controller
 * Description:
 *
 * @Author www.youkewang.top
 * @Create 2023-10-24 20:29
 * @Version 1.0
 */

/*
 * 分类管理
 * */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save (@RequestBody Category category) {
        log.info("category: {}", category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    @GetMapping("/page")
    public R<Page> page (int page, int pageSize, String name) {
        // 创建分页对象
        Page pageInfo = new Page(page, pageSize);

        // 构造条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        // 添加排序条件,根据sort字段进行排序
        queryWrapper.orderByAsc(Category::getSort);

        // 执行查询
        categoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据ID删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete (Long id) {
        log.info("接收到前端发送过来的ID: {}", id);
        //categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功!");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update (@RequestBody Category category) {
        log.info("修改信息分类: {}", category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功~");
    }


    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list (Category category) {
        // 条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        // 添加条件
        lambdaQueryWrapper.eq(category.getType() != null, Category::getType, category.getType());
        // 添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }
}
